Handheld electronic device



FIG. 1 is a front perspective view thereof;

FIG. 2 is a front side view thereof;

FIG. 3 is a rear side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a rear perspective view thereof; and,

FIG. 9 is a front perspective view in open mode thereof. 

The ornamental design for handheld electronic device, as shown and described. 